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Those of us that tried to be optimistic about Copenhagen often pointed to the fact that a non-binding treaty was better than no treaty at all, and that the voluntary pledges made by nations to curb their emissions was indeed going to be have an impact. Well, the scientists are not so optimistic. A recent article by scientists from the Potsdam Institute for Climate Impacts Research in Germany in the journal Nature puts it bluntly: the 'paltry' pledges by nations who s...Read the full story on TreeHugger